For the persons aged 15 and older with a tertiary education, the field of study was recorded by place of birth, gender and educational level. Fields of education have been aggregated in the following categories: i) education, health and welfare;
ii) humanities, arts, social sciences, business and law; iii) science, engineering, manufacturing, construction and agriculture; and iv) general programmes and services. For 15 OECD countries, the distribution by field
of study among tertiary‐educated persons is presented by birth status or main countries of origin.